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Attention! Input results shown will be +/- 10% from middle value. Hint: The closer your min and max inputs are, the more accurate your results will be!

Outer Diameter:

to

inches mm

Inner Diameter:

to

inches mm

Free Length:

to

inches mm

Wire Diameter:

to

inches mm

Total Coils:

to

Rate: ? Spring rate or spring constant: The amout of force required to move the spring 1 inch of distance or in millimeters the amount of force required to move the spring 1 millimeter of distance.

to

lbs/in N/mm

Info! Please fill in one or more fields to narrow down your search.

Max. Load: ? The maximum amount of force or load you can place on this spring. If you put more force than this you will distort or fatigue the spring.

to

lbs N

Max. Deflection (Max. Travel):

to

inches mm

Solid Height:

to

inches mm

* Required Field

Attention! Input results shown will be +/- 10% from middle value. Hint: The closer your min and max inputs are, the more accurate your results will be!

Outer Diameter:

to

inches mm

Length Inside Hook:

to

inches mm

Wire Diameter:

to

inches mm

Info! Please fill in one or more fields to narrow down your search.

Max. Load: ? The maximum amount of force or load you can place on this spring. If you put more force than this you will distort or fatigue the spring.

to

lbs N

Max. Deflection (Max. Travel):

to

inches mm

Initial Tension: ? The force required to seperate the coils of an extension spring before the spring will extend.

to

lbs N

Rate: ? Spring rate or spring constant: The amout of force required to move the spring 1 inch of distance or in millimeters the amount of force required to move the spring 1 millimeter of distance.

to

lbs/in N/mm

* Required Field

Attention! Input results shown will be +/- 10% from middle value. Hint: The closer your min and max inputs are, the more accurate your results will be!

Outer Diameter:

to

inches mm

Inner Diameter:

to

inches mm

Free Position or Leg Position in degrees: ? Free Position or Leg Position in degrees

degrees

Total Coils:

to

Wire Diameter:

to

inches mm

Body Length:

to

inches mm

Info! Please fill in one or more fields to narrow down your search.

Max. Torque: ? The amount of force applied to a torsion spring to radially move the springs leg a certain amount of degrees.

to

lbs N

Max. Deflection (Degrees of travel):

to

degrees

Rate: ? Torsion spring rate is the amount of radial force required to move the spring 360 degrees of distance. Divide the spring rate by 360 degrees to get the rate per degree

to

in-lbs./deg. N-mm/deg.

Leg Length: ? Both legs are equal in length

to

inches mm

* Required Field

Attention! Input results shown will be +/- 10% from middle value. Hint: The closer your min and max inputs are, the more accurate your results will be!

Small Outer Diameter:

to

inches mm

Large Outer Diameter:

to

inches mm

Free Length:

to

inches mm

Info! Please fill in one or more fields to narrow down your search.

Rate: ? Spring rate or spring constant: The amout of force required to move the spring 1 inch of distance or in millimeters the amount of force required to move the spring 1 millimeter of distance.

to

lbs/in N/mm

Total Coils:

to

Solid Height:

to

inches mm

Wire Diameter:

to

inches mm

Where to Buy Extension Springs?

Extension springs are used in different devices to allow a pull and return force to fulfill a certain automatized function in the product. Extension springs are less common than compression springs but they are just as important and highly necessary in all kinds of projects. In fact they can be key components but can be a little more complicated to design and even harder to find someone who will manufacture the exact extension spring you require.

Who Sells Extension Springs?

Extension springs require additional considerations (in comparison to compression springs) such as initial tension, and types of hooks. This makes extension springs more difficult to design, manufacture and buy. That is why not all spring makers can efficiently manufacture all extension springs varieties. At Acxess Spring, we manufacture springs with wire sizes from 0.008in to 1.250in. We do not manufacture extension springs with extended hooks but do work with machine, cross-over center and side hooks. As specialized spring makers we not only sell compression and extension springs, but also torsion springs and other spring variations. Only spring makers with the proper equipment and expertise manufacture and sell extension springs.

At Acxess Spring we can help you design, find, and buy the perfect extension springs. Our Spring Creator calculator allows you to easily design the extension springs you need. It calculates your extension spring’s rate and initial tension, and even allows you to input your working loads to test whether it will work the way you need it to. Spring Creator will provide a custom pricing list at different quantities and even list some extension springs in stock that are similar to your design. This is quite helpful when you need to order a few sample extension springs for prototyping, before ordering larger quantity custom lots.

Buying extension springs at Acxess Spring allows you to select from different types of material, extension spring hook types, and several plating options. We provide specialized assistance for designing a custom spring, or purchasing prototype springs from our stock division, TheSpringStore.com.

If you are looking for extension springs for your device or product, be sure to buy the highest quality springs at the best price, at AcxessSpring.com. Call us today at: (951) 276-2777